1.7380 (10CrMo9-10)

Classification

Country Section Category
Germany Structural, Pressure Vessel and Engineering Steels Cr-Mo with Mo ≥ 0.35%

Chemical composition

Standard Fe, % Si, % Mn, % Cr, % Cu, % P, % C, % S, % Mo, % N, %
94.618–96.62 < 0.5 0.4–0.8 2–2.5 < 0.3 < 0.02 0.08–0.14 < 0.01 0.9–1.1 < 0.012

Information on suppliers

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers $$\sigma _{U}$$, $$MPa$$ $$\sigma_{Y}$$, $$MPa$$ $$\sigma_{0.2}$$, $$MPa$$ $$\epsilon_L$$, % $$\epsilon_T$$, % $$KV_{L}$$, $$J$$ $$KV_{T}$$, $$J$$ Treatment
< 60 480–630 40 27–31
60–100 470–620 280
100–150 460–610 260
150–250 450–600 250
< 16 310
16–40 300
40–60 290
< 16 Hardening, normalization 280 22 20
16–40 Hardening, normalization 280
40–60 Hardening, normalization 270

Analogues

CIS, Russia, Ukraine
10H2M

Standards

Standard Description
EN 10028-2
EN 10216-2

Description of chemical elements

Element Units of measurement Description
Fe % Iron
Si % Silicon
Mn % Manganese
Cr % Chrome
Cu % Copper
P % Phosphorus
C % Carbon
S % Sulfur
Mo % Molybdenum
N % Nitrogen

Description of mechanical properties

Parameter Units of measurement Description
$$\sigma_{Y}$$ $$MPa$$ Yield strength
$$\sigma_{0.2}$$ $$MPa$$ Tensile stress required to produce a total elongation of 0.2%
$$\sigma _{U}$$ $$MPa$$ Ultimate tensile strength
$$\epsilon_L$$ % Elongation at break (longitudinal)
$$\epsilon_T$$ % Elongation at break (transverse)
$$KV_{L}$$ $$J$$ Impact energy (longitudinal)
$$KV_{T}$$ $$J$$ Impact energy (transverse)